On 19/12/2014 22:13, Dr. David Kirkby (Kirkby Microwave Ltd) wrote:
On 19 Dec 2014 19:30, "Jan Fredriksson" wrote:
It's no coincidence that virtually all 8.5 digit DMMs use the LTZ1000.
It's in a class of it's own.
What do the 8.5 digit meters use if they don't use the LTZ1000?
Dave.
Well th
On 19 Dec 2014 19:30, "Jan Fredriksson" wrote:
>
> It's no coincidence that virtually all 8.5 digit DMMs use the LTZ1000.
> It's in a class of it's own.
What do the 8.5 digit meters use if they don't use the LTZ1000?
Dave.
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It's no coincidence that virtually all 8.5 digit DMMs use the LTZ1000.
It's in a class of it's own. REF102 is not in the same class, even if
you average a handful.
But there are a couple of nice things about the REF102, though for
more moderate requirements
- You get a reference at 10V, +/-0.0025V
Guys,
Thanks for your comments! The idea is to use a simple resistor averaging
network, as shown in Fig. 14 of the REF102 datasheet.
I hadn't thought of the effect of relative humidity, would the
temperature-controlled enclosure at (say) 50C/122F change things in this
respect?
One nice thing a
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